About us

Martin Plum, CTO

Martin completed his education in Chemical Technology at the Higher Technical College in Heerlen and started his career at DSM in 1974 as a member of staff in the ammonia plants. He has worked in DSM Research’s Environmental Department since 1980. He specialized in developing new- and improving existing technologies for waste water treatment and soil remediation. He also worked as an environmental technology consultant. Both DSM and external companies have applied the technologies that Martin has developed. He has been working at Terreco since its establishment in 2002.

Marc Hallen, CMO

Marc completed his education in Environmental Technology at Zuyd Hogeschool in Heerlen and Avans University of Applied Sciences in Breda. He has worked in the environmental sector since 1990, mainly in technical and commercial positions. He worked for the SUEZ Group for 14 years, the last 5 years of which as their Business Development Manager, reporting directly to one of the SITA Board of Directors members. He has been working for Terreco since 2007.​